Teachoo MCQ Test

Assertion Reasoning Quiz

Preparing for CBSE

Chapter 1 Class 8 - A Square and a Cube (Ganita Prakash) | 7 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 672
Question 1 of 7
Advertisement
Question 1 of 7
Assertion (A): It is not true that a negative integer can have a negative perfect cube.
Reason (R): The smallest natural number that must multiply 150 to make a perfect square is 6.
Select one option. Answers are shown after the test.
Question 2 of 7
Assertion (A): The smallest natural number that must multiply 90 to make a perfect square is 10.
Reason (R): In a perfect square, every prime factor has an even exponent.
Select one option. Answers are shown after the test.
Question 3 of 7
Assertion (A): The smallest natural number that must multiply 108 to make a perfect square is 3.
Reason (R): In a perfect square, every prime factor has an even exponent.
Select one option. Answers are shown after the test.
Question 4 of 7
Assertion (A): 121 has an odd number of positive factors.
Reason (R): The product of two perfect squares is a perfect square.
Select one option. Answers are shown after the test.
Question 5 of 7
Assertion (A): The smallest natural number that must multiply 245 to make a perfect square is 5.
Reason (R): In a perfect square, every prime factor has an even exponent.
Select one option. Answers are shown after the test.
Question 6 of 7
Assertion (A): It is not true that no integer square has units digit 2.
Reason (R): The smallest natural number that must multiply 245 to make a perfect square is 5.
Select one option. Answers are shown after the test.
Question 7 of 7
Assertion (A): 121 has an odd number of positive factors.
Reason (R): 121 is a perfect square: \(121=11^2\), and only its square-root factor is unpaired.
Select one option. Answers are shown after the test.